it has one nitrogen atom and three oxygen atoms
The top number (the -1 or just - in this) represents the first ion number
it has one nitrogen atom and three oxygen atoms
The top number (the -1 or just - in this) represents the first ion number
binary ionic compound
composed of ions of two different elements - one of which is a metal, and the other a nonmetal
empirical
the chemical formula of a compound that gives the proportions (ratios) of the elements present in the compound but not the actual numbers or arrangement of atoms.